India, April 20 -- Following the rise in mosquito menace complaints and a bizarre sighting of a mosquito "tornado" in Kharadi, the Pune Municipal Corporation (PMC) launched a week-long vector control and containment campaign in the Kharadi, Keshav Nagar, Wagholi and Mundhwa areas on Wednesday, said the officials.

As per the PMC officials, the sudden spike in mosquitoes in these areas is due to the unchecked large growth of water hyacinth in the Mula-Mutha river. Two small mosquito tornadoes were sighted during the containment activities in these areas, said the officials.

The civic body has begun spraying insecticides and conducting abatement activities during the daytime. Fogging in the affected area is conducted in the evening. Effort...